Rectangle ABCD is shown in the picture. Point E is the center of the rectangle. Douglas claims that there are transformations that preserve the length of the rectangle’s sides. Which of the following transformations could be used to support Douglas’s claim? Select all that apply. A
A rotation of 90 degrees clockwise about vertex B.
B
A dilation of scale factor 1 through center E.
C
A vertical stretch of scale factor 3 through center E.
D
A reflection over the side AB.
E
A translation of 5 units to the left.

Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )